In a small African port, a tawdry bar is run by a old man named Webb Fallon. Fallon is actually a vampire, but he is becoming weary of his "life" of the past few hundred years.

In the wake of Pearl Harbor, a young lieutenant leaves his expectant wife to volunteer for a secret bombing mission which will take the war to the Japanese homeland.

What would you do in this house of fear... if you knew that your husband killed your former flame?

The police think a young lawyer (Robert Lowery) killed his partner, but he was drugged when it happened.

This tale of two tugboats focuses upon the rivalries between two operators competing to win a major shipping contract. Meanwhile a tugboat office secretary and an ex-con who wants to go straight, fall in love. Tugboat Annie is put in charge of a child violinist. When a waterfront fire breaks out, the two warring captains join forces to put it out.

Tommy McCoy and "Dude" Markey are both in love with Harlem singer/dancer Nita. Markey robs a jewelry store and turns the loot over to gang-boss Murray Howard. Later, Markey robs the safe, steals the jewelry, and, in order to get rid of his rival for Nita, frames the robbery on McCoy. The latter's big-brother thinks otherwise and, with Nita's help, sets out to prove it.

Buster Crabbe and Johnny Weissmuller battle it out in Cajun country! Johnny, a riverboat pilot on the Mississippi, is seduced away from his fiance (Carol Thurston) by a rich outsider (Virginia Grey) who's nursed him back to health after a serious accident. She owns a large piece of the swamp and has outlawed hunting on her property. His rival Mike (Crabbe) is a trapper who harbors deep resentment for Johnny and his new wealthy friends. When he feels Johnny is responsible for the hunting ban, he resorts to destructive acts of vengeance.

The French Revolution, 1794. The Marquis de Lafayette asks Charles D'Aubigny to infiltrate the Jacobin Party to overthrow Maximilian Robespierre, who, after gaining supreme power and establishing a reign of terror ruled by death, now intends to become the dictator of France.